Mass and Weight · Unit Converter

Convert Poundal to Dram (apothecary/troy)

Convert poundals to drams (apothecary/troy) instantly. 1 poundal = 3.6231884147 dram (apothecary/troy) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Dram (apothecary/troy) to Poundal converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Force / Engineering

Poundal

What is a poundal?

The poundal (pdl) is the FPS absolute unit of force; its mass-equivalent on this scale is about 0.0141 kg.

Origin of the poundal

Defined in the foot-pound-second absolute system in the late 19th century.

Where it is used

Early 20th-century physics and engineering.

When and where it was developed

Introduced in the absolute FPS system as an alternative to gravitational units.

Troy & Apothecary

Dram (apothecary/troy)

What is a dram (apothecary/troy)?

The apothecary (troy) dram equals one-eighth of a troy ounce, about 3.888 grams.

Origin of the dram (apothecary/troy)

From the apothecaries' system rooted in the Greek 'drachma'.

Where it is used

Historical pharmacy and medicine compounding.

When and where it was developed

Part of the apothecaries' system of weights used through the 19th century.

Poundal to Dram (apothecary/troy) conversion formula

The relationship between poundals and drams (apothecary/troy):

1 pdl = 3.6231884147 dr ap
1 dr ap = 0.2759999993 pdl

To convert poundals to drams (apothecary/troy), multiply the value in poundals by 3.6231884147. To reverse, multiply drams (apothecary/troy) by 0.2759999993.

How to use this converter

Type a value into the calculator. The result in drams (apothecary/troy) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Dram (apothecary/troy) to Poundal converter for the reverse direction.

Step-by-step: convert poundals to drams (apothecary/troy)

  1. Write down the value in poundals (pdl).
  2. Multiply that value by the factor 3.6231884147.
  3. The product is the equivalent value in drams (apothecary/troy) (dr ap).
  4. To reverse, multiply the dram (apothecary/troy) value by 0.2759999993.

Worked examples

Example 1 — Convert 1 pdl to dr ap:
1 × 3.6231884147 = 3.6231884147 dr ap

Example 2 — Convert 100 pdl to dr ap:
100 × 3.6231884147 = 362.3188414743 dr ap

Real-world example — Postcard and small-object dimensions

A postcard is about 5 poundals wide. Converting to drams (apothecary/troy) is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 pdl × 3.6231884147 = 18.1159420737 dr ap

Real-world example — Ruler-scale measurements

A 30-poundal school ruler converts cleanly to drams (apothecary/troy) — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 pdl × 3.6231884147 = 108.6956524423 dr ap

Real-world example — Hardware-scale dimensions

A 10-poundal fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between poundals and drams (apothecary/troy) daily when mixing metric and imperial tools.

10 pdl × 3.6231884147 = 36.2318841474 dr ap

Poundal to Dram (apothecary/troy) conversion table

Standard reference values for converting poundals to drams (apothecary/troy):

Poundal [pdl]Dram (apothecary/troy) [dr ap]
0.010.0362318841
0.10.3623188415
13.6231884147
27.2463768295
310.8695652442
414.492753659
518.1159420737
1036.2318841474
2072.4637682949
30108.6956524423
40144.9275365897
50181.1594207372
100362.3188414743
5001811.5942073717
10003623.1884147434

Frequently asked questions

How many drams (apothecary/troy) is 1 poundal?
1 poundal equals 3.6231884147 dram (apothecary/troy).
How do I convert poundals to drams (apothecary/troy)?
Multiply the value in poundals by 3.6231884147 to get drams (apothecary/troy).
How do I convert drams (apothecary/troy) back to poundals?
Multiply the value in drams (apothecary/troy) by 0.2759999993, or use the Dram (apothecary/troy) to Poundal converter.
How many drams (apothecary/troy) is 100 poundals?
100 poundals equals 362.3188414743 drams (apothecary/troy), because 100 × 3.6231884147 = 362.3188414743.

Convert Poundal to other weight units

Show all Poundal conversions
Metric / SI (18 units)
Poundal to Attogram (ag) Poundal to Femtogram (fg) Poundal to Picogram (pg) Poundal to Nanogram (ng) Poundal to Microgram (µg) Poundal to Milligram (mg) Poundal to Centigram (cg) Poundal to Decigram (dg) Poundal to Gram (g) Poundal to Dekagram (dag) Poundal to Hectogram (hg) Poundal to Kilogram (kg) Poundal to Quintal (metric) (q) Poundal to Metric Ton (t) Poundal to Gigagram (Gg) Poundal to Teragram (Tg) Poundal to Petagram (Pg) Poundal to Exagram (Eg)
Avoirdupois (15 units)
Poundal to Grain (gr) Poundal to Dram (avoirdupois) (dr) Poundal to Ounce (oz) Poundal to Pound (lb) Poundal to Clove (clove) Poundal to Stone (US) (st) Poundal to Stone (UK) (st) Poundal to Quarter (US) (qr) Poundal to Quarter (UK) (qr) Poundal to Hundredweight (US) (cwt) Poundal to Hundredweight (UK) (cwt) Poundal to Wey (wey) Poundal to Kilopound (kip) (kip) Poundal to Ton (short, US) (sh tn) Poundal to Ton (long, UK) (long tn)
Troy & Apothecary (10 units)
Poundal to Point (1/100 carat) (pt) Poundal to Carat (metric) (ct) Poundal to Scruple (apothecary) (s ap) Poundal to Pennyweight (dwt) Poundal to Momme (mom) Poundal to Mace (mace) Poundal to Dram (apothecary/troy) (dr ap) Poundal to Troy Ounce (oz t) Poundal to Tael (tael) Poundal to Pound (troy/apothecary) (lb t)
Indian / South Asian (6 units)
Poundal to Ratti (ratti) Poundal to Masha (masha) Poundal to Tola (tola) Poundal to Chittack (Chatank) (chittack) Poundal to Seer (Ser) (seer) Poundal to Maund (Mann) (maund)
Scientific / Atomic (9 units)
Poundal to Electron Mass (rest) (me) Poundal to MeV/c2 (MeV/c²) Poundal to Muon Mass (mµ) Poundal to Atomic Mass Unit (u) Poundal to Proton Mass (mp) Poundal to Neutron Mass (mn) Poundal to Deuteron Mass (md) Poundal to Carbon-12 Atom Mass (C-12) Poundal to Planck Mass (mP)
Astronomical (4 units)
Poundal to Lunar Mass (Moon) (M☾) Poundal to Earth's Mass (M⊕) Poundal to Jupiter Mass (MJ) Poundal to Sun's Mass (M☉)
Biblical / Ancient (14 units)
Poundal to Lepton (Biblical Roman) (lepton) Poundal to Quadrans (Biblical Roman) (quadrans) Poundal to Assarion (Biblical Roman) (assarion) Poundal to Gerah (Biblical Hebrew) (gerah) Poundal to Drachma (Biblical Greek) (drachma) Poundal to Denarius (Biblical Roman) (denarius) Poundal to Bekan (Biblical Hebrew) (bekah) Poundal to Didrachma (Biblical Greek) (didrachma) Poundal to Shekel (Biblical Hebrew) (shekel) Poundal to Tetradrachma (Biblical Greek) (tetra) Poundal to Mina (Biblical Greek) (mina) Poundal to Mina (Biblical Hebrew) (mina) Poundal to Talent (Biblical Greek) (talent) Poundal to Talent (Biblical Hebrew) (talent)
Force / Engineering (4 units)
Poundal to Ton (assay) (US) (AT) Poundal to Ton (assay) (UK) (AT) Poundal to Kilogram-force square second/meter (hyl) Poundal to Slug (slug)

Sources & references

Conversion factor (1 pdl = 3.6231884147 dr ap) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.